2 * libkmod - interface to kernel module operations
4 * Copyright (C) 2011 ProFUSION embedded systems
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
35 * library user context - reads the config and system
36 * environment, user variables, allows custom logging
39 struct kmod_ctx
*kmod_new(const char *dirname
, const char * const *config_dirs
);
40 struct kmod_ctx
*kmod_ref(struct kmod_ctx
*ctx
);
41 struct kmod_ctx
*kmod_unref(struct kmod_ctx
*ctx
);
42 void kmod_set_log_fn(struct kmod_ctx
*ctx
,
43 void (*log_fn
)(void *log_data
,
44 int priority
, const char *file
, int line
,
45 const char *fn
, const char *format
,
48 int kmod_get_log_priority(const struct kmod_ctx
*ctx
);
49 void kmod_set_log_priority(struct kmod_ctx
*ctx
, int priority
);
50 void *kmod_get_userdata(const struct kmod_ctx
*ctx
);
51 void kmod_set_userdata(struct kmod_ctx
*ctx
, const void *userdata
);
52 int kmod_load_resources(struct kmod_ctx
*ctx
);
53 void kmod_unload_resources(struct kmod_ctx
*ctx
);
58 * access to kmod generated lists
61 struct kmod_list
*kmod_list_next(const struct kmod_list
*first_entry
,
62 const struct kmod_list
*list_entry
);
63 struct kmod_list
*kmod_list_prev(const struct kmod_list
*first_entry
,
64 const struct kmod_list
*list_entry
);
65 struct kmod_list
*kmod_list_last(const struct kmod_list
*first_entry
);
67 #define kmod_list_foreach(list_entry, first_entry) \
68 for (list_entry = first_entry; \
70 list_entry = kmod_list_next(first_entry, list_entry))
72 #define kmod_list_foreach_reverse(list_entry, first_entry) \
73 for (list_entry = kmod_list_last(first_entry); \
75 list_entry = kmod_list_prev(first_entry, list_entry))
79 KMOD_REMOVE_FORCE
= O_TRUNC
,
80 KMOD_REMOVE_NOWAIT
= O_NONBLOCK
,
85 KMOD_INSERT_FORCE_VERMAGIC
= 0x1,
86 KMOD_INSERT_FORCE_MODVERSION
= 0x2,
92 * Operate on kernel modules
95 int kmod_module_new_from_name(struct kmod_ctx
*ctx
, const char *name
,
96 struct kmod_module
**mod
);
97 int kmod_module_new_from_path(struct kmod_ctx
*ctx
, const char *path
,
98 struct kmod_module
**mod
);
99 int kmod_module_new_from_lookup(struct kmod_ctx
*ctx
, const char *alias
,
100 struct kmod_list
**list
);
101 int kmod_module_new_from_loaded(struct kmod_ctx
*ctx
, struct kmod_list
**list
);
103 struct kmod_module
*kmod_module_ref(struct kmod_module
*mod
);
104 struct kmod_module
*kmod_module_unref(struct kmod_module
*mod
);
105 int kmod_module_unref_list(struct kmod_list
*list
);
106 struct kmod_module
*kmod_module_get_module(const struct kmod_list
*entry
);
107 struct kmod_list
*kmod_module_get_dependencies(const struct kmod_module
*mod
);
109 int kmod_module_get_filtered_blacklist(const struct kmod_ctx
*ctx
, const struct kmod_list
*input
, struct kmod_list
**output
);
111 int kmod_module_remove_module(struct kmod_module
*mod
, unsigned int flags
);
112 int kmod_module_insert_module(struct kmod_module
*mod
, unsigned int flags
, const char *options
);
114 const char *kmod_module_get_name(const struct kmod_module
*mod
);
115 const char *kmod_module_get_path(const struct kmod_module
*mod
);
117 enum kmod_module_initstate
{
118 KMOD_MODULE_BUILTIN
= 0,
122 /* Padding to make sure enum is not mapped to char */
123 _KMOD_MODULE_PAD
= (1 << 31),
125 const char *kmod_module_initstate_str(enum kmod_module_initstate initstate
);
126 int kmod_module_get_initstate(const struct kmod_module
*mod
);
127 int kmod_module_get_refcnt(const struct kmod_module
*mod
);
128 struct kmod_list
*kmod_module_get_holders(const struct kmod_module
*mod
);
130 struct kmod_list
*kmod_module_get_sections(const struct kmod_module
*mod
);
131 const char *kmod_module_section_get_name(const struct kmod_list
*entry
);
132 unsigned long kmod_module_section_get_address(const struct kmod_list
*entry
);
133 void kmod_module_section_free_list(struct kmod_list
*list
);
135 long kmod_module_get_size(const struct kmod_module
*mod
);
137 const char *kmod_module_get_options(const struct kmod_module
*mod
);
138 const char *kmod_module_get_install_commands(const struct kmod_module
*mod
);
139 const char *kmod_module_get_remove_commands(const struct kmod_module
*mod
);
141 int kmod_module_get_softdeps(const struct kmod_module
*mod
, struct kmod_list
**pre
, struct kmod_list
**post
);
143 int kmod_module_get_info(const struct kmod_module
*mod
, struct kmod_list
**list
);
144 const char *kmod_module_info_get_key(const struct kmod_list
*entry
);
145 const char *kmod_module_info_get_value(const struct kmod_list
*entry
);
146 void kmod_module_info_free_list(struct kmod_list
*list
);
148 int kmod_module_get_versions(const struct kmod_module
*mod
, struct kmod_list
**list
);
149 const char *kmod_module_version_get_symbol(const struct kmod_list
*entry
);
150 uint64_t kmod_module_version_get_crc(const struct kmod_list
*entry
);
151 void kmod_module_versions_free_list(struct kmod_list
*list
);